Latest Common Questions

Colombia’s fiscal landscape in 2026 is defined by the DIAN’s (Dirección de Impuestos y Aduanas Nacionales) aggressive “Extraordinary Fiscal Package.” Following the adoption of the emergency tax measures to fund the 2026 national budget, the oversight on the NIT (Número de Identificación Tributaria) has reached unprecedented levels. The most critical change this year is the introduction of the IPUSUI (Tax on Single-Use Plastic Products) and the activation of the RADIAN system’s mandatory registration for all electronic invoices qualifying as negotiable instruments. In this high-stakes environment, your 10-digit NIT (including the verification digit) is the mandatory anchor for compliance.
This FAQ guide provides grounded, expert insights into Colombia’s identification system, updated for the 2026 regulatory and emergency budget environment.
Businesses that prioritize accuracy use TaxDo’s GTL (Global TIN Lookup) to connect directly to DIAN registries, ensuring 100% precision in Business NIT validation and avoiding the automated rejection of electronic invoices in the RADIAN system.